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- Solid-head cutting head system
- 762 mm (30 in.) conveyor width for narrow entry applications
- Individual motors with direct-drive transmissions to power the cutter, traction, gathering, and hydraulic systems
- Remote radio control operations, with different frequencies available for multi-machine sections
- Outboard access for motors, gearcases, controllers and other major components to reduce downtime and maintenance costs
- OptiDrive AC traction system to provide smooth transmission responsiveness
- Faceboss control platform to facilitate an optimal balance of production rate and cost
The 14CM9 continuous miner, with a solid-head cutting head system, features a 762 mm (30 in.) conveyor width for narrow entry applications.
Traction system
The 14CM9 includes our patented OptiDrive AC traction system, which is coupled to a compact, all-gear transmission to provide smooth, reliable service. The cutter motor feedback and the traction differential features optimize sump performance even in the most demanding applications. Finally, the brushless AC traction motors are highly reliable and require minimal maintenance.
Cutting system
Joy is known worldwide for the highest performing, most reliable cutter head gear cases in the industry. The 14CM9 includes a solid-head cutting head system, with a variety of cutter bit lacing configurations available.
Hydraulic system
Our hydraulic manifolds, standard on all continuous miner models, reduce hose assemblies and fitting counts to significantly reduce hydraulic fluid leak points. All serviceable parts for a circuit are in one common location and all pressure check points allow gauge connection/disconnection. Screw-adjusted relief valves are standard, while bolt-on caps permit easy access for troubleshooting/replacement on hydraulic or water segments.
| Machine weight | 50,800 kg | 112,000 lbs. |
| Maximum cutting height | 2,324 mm | 92 in. |
| Minimum cutting height | 812 mm | 32 in. |
| Minimum tram height | 718 mm | 28 in. |
| Conveyor width | 762 mm | 30 in. |
| Cutterhead power @950V, 60Hz | 150 kW | 200 hp |
| Total machine power @950V, 60Hz | 550 kW | 736 hp |
Faceboss control system
Competitive and market pressures mean that you have to produce product at an ever-increasing rate, while always striving to decrease your cost per ton. These goals are only made more difficult by the worsening attributes of available reserves and deteriorating operating conditions.
The Faceboss control system enables your operators to operate equipment at an optimal balance of production rate and cost per ton using a powerful tool set that includes operator assistance tools, automated sequences, advanced diagnostics, machine performance monitoring, and analysis tools. Faceboss is the standard control system platform on all Joy underground mining equipment, which ensures that you receive the same level of optimization for all your Joy equipment.
OptiDrive AC
Joy OptiDrive, an AC variable-frequency drive system, integrates software with the electronic and mechanical systems to provide the following features:
- Increased tram speed: Significantly increases the tractive effort available, improving the equipment’s ability to climb gradients and negotiate difficult roadway conditions
- Regenerative braking: Supplements the mechanical brakes, allowing them to run cooler with extended wear life; regenerative braking is highly effective at automatically maintaining constant speeds when descending gradients
- Less maintenance: No commutator brushes to inspect and replace mean AC traction motors are typically more reliable, more durable, and require less maintenance than DC traction motors